private void LoadDB()
        {
            try
            {
                using (MySqlConnection sqlConnection = ConnectionClass.GetStringConnectionSettings(txtServer.Text, txtLogin.Text, txtPass.Text))
                {
                    if (sqlConnection.State == ConnectionState.Closed)
                    {
                        sqlConnection.Open();
                    }

                    MySqlCommand    sqlCommand = new MySqlCommand("SHOW DATABASES", sqlConnection);
                    MySqlDataReader reader     = sqlCommand.ExecuteReader();
                    dbName.Clear();
                    while (reader.Read())
                    {
                        dbName.Add(reader.GetString(0));
                    }
                    cbDB.DataSource = null;
                    cbDB.DataSource = dbName;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                logger.Debug("\n/--------------------------------------------------------------------/\n" + ex.StackTrace + "\n//----------------------------//\n" + ex.Message + "\n\n");
            }
        }
 private void BtnCheckConnect_Click(object sender, EventArgs e)
 {
     try
     {
         using (MySqlConnection sqlConnection = ConnectionClass.GetStringConnectionSettings(txtServer.Text, txtLogin.Text, txtPass.Text))
         {
             sqlConnection.Open();
             if (sqlConnection.State == ConnectionState.Open)
             {
                 MessageBox.Show("Соединение успешно установлено", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
             }
             else
             {
                 MessageBox.Show("Проверьте правильность введенных данных", "Внимание", MessageBoxButtons.OK, MessageBoxIcon.Warning);
             }
             sqlConnection.Close();
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
         logger.Debug("\n/--------------------------------------------------------------------/\n" + ex.StackTrace + "\n//----------------------------//\n" + ex.Message + "\n\n");
     }
 }